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OverLord2011 [107]
3 years ago
13

6. Solve by Elimination: 4x + y = 7 3x - y = 0

Mathematics
2 answers:
igor_vitrenko [27]3 years ago
8 0
X=1, y=3 see attached photo for steps

Ivan3 years ago
4 0

Answer:

{x,y} = {1,-4}  

Step-by-step explanation:

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35 POINTS HELP PLS!!!!!!
Ronch [10]

The factors illustrate they the sides of the rectangles are:

  • (x - 1)(x - 2)
  • (2x - 3)(x + 2)

<h3>How to get the factors?</h3>

The first equation given is x² - 3x + 2.

= x² - 3x + 2.

= x² - x - 2x + 2

= x(x - 1) - 2(x - 1)

= (x - 1)(x - 2)

Therefore, the side lengths are (x - 1) and (x - 2).

In the rectangular figure, the length and width should be the expressions above.

The second equation given is 2x² + x - 6.

= 2x² + x - 6.

= 2x² + 4x - 3x - 6

= 2x(x + 2) - 3(x + 2)

= (2x - 3)(x + 2)

Therefore, the side lengths are (2x - 3) and (x + 2).

In the rectangular figure, the length and width should be the expressions above.

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